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Samsung Android 5 on Galaxy Devices User Guidance Documentation Version 1.8 April 14, 2015

Transcript of Samsung Android 5 on Galaxy Deviceso Samsung Galaxy S5 o Samsung Galaxy Note Edge o Samsung Galaxy...

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Samsung Android 5 on Galaxy Devices

User Guidance Documentation

Version 1.8

April 14, 2015

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Document management

Document identification

Document ID Samsung User Guidance Documentation 1.8.

Document title Samsung Android 5 on Galaxy Devices User Guidance Documentation

Release authority

Document history

Version Date Description Author

0.1 14-October-2013 Initial draft for review.

0.2 16-October-2013 Released to Samsung for review.

0.3 20-December-2013 Released to Samsung for review.

0.5 January 27, 2014 Update for Android 4.4 Brian Wood

0.6 January 31, 2014 Updates based on Admin Guide Brian Wood

0.7 February 10, 2014 Updated based on feedback from CC evaluator Brian Wood

0.7a February 11, 2014 Added device list Brian Wood

0.8 February 11, 2014 Added Crypto API Ed Morris

0.9 February 12, 2014 Added Crypto API reference links Brian Wood

0.10 February 13, 2014 Updates CC Mode app settings Brian Wood

0.11 February 20, 2014 Added versioning information Ed Morris

1.1 March 31, 2014 Updated for Galaxy S5/Note 10.1 Brian Wood

1.2 April 29, 2014 Updated to have VPN release number shown Brian Wood

1.2a May 2, 2014 Updated device list Brian Wood

1.2b June 6, 2014 Modified device list table Brian Wood

1.3 September 7, 2014 Updated for new devices and options and Brian Wood

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KNOX usage Sung Whan Moon

1.4 September 19, 2014 Updated device list Brian Wood

1.5 October 7, 2014 Edited versions and CC Mode access Brian Wood

1.6 October 20, 2014 Edited CC mode access Brian Wood

1.7 October 28, 2014 Updated device list Brian Wood

1.8 April 14, 2015 Updated download site. Updated for OS update & devices

Brian Wood

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Table of Contents

1 Document Introduction .............................................................................................................. 5

1.1 Evaluated Devices ......................................................................................................................... 5

2 How to use your device securely ................................................................................................. 8

2.1 Password management................................................................................................................. 8

2.2 Be aware of your environment ................................................................................................... 10

2.3 Physical security of the device .................................................................................................... 10

2.4 Application control ...................................................................................................................... 10

2.5 Reporting suspicious activity and security incidents .................................................................. 10

2.6 Wiping the data on a device ....................................................................................................... 11

2.7 Checking the version of a device ................................................................................................ 12

3 Secure Device Configuration ..................................................................................................... 14

3.1 Enrolling a Device with a Mobile Device Management Service .................................................. 14

3.2 Enabling Common Criteria Mode (CC Mode).............................................................................. 14

3.3 Enabling Encryption (All) ............................................................................................................. 16

3.4 Other Password and Lock screen Settings .................................................................................. 17

3.5 Settings that can be controlled ................................................................................................... 17

3.6 Certificate Management ............................................................................................................. 20

3.7 Configure Wireless Networks ..................................................................................................... 22

4 General usage........................................................................................................................... 24

4.1 Using your device ........................................................................................................................ 24

4.2 Access rights and policy .............................................................................................................. 30

4.3 Modes of operation .................................................................................................................... 30

4.4 Errors ........................................................................................................................................... 31

5 Cryptographic API Reference ..................................................................................................... 32

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1 Document Introduction

This document contains enterprise guidance for the deployment of Samsung devices in accordance with

the Common Criteria configuration.

1.1 Evaluated Devices

The Common Criteria evaluation was performed on devices with specific processors. The following list is

divided based on the processors used in the devices that were evaluated:

Qualcomm Snapdragon

o Samsung Galaxy S4

o Samsung Galaxy Note 3

o Samsung Galaxy Note 4

o Samsung Galaxy NotePRO

o Samsung Galaxy Tab S (8.4 & 10.5) LTE

o Samsung Galaxy Tab Active

Qualcomm Snapdragon or System LSI Exynos

o Samsung Galaxy S5

o Samsung Galaxy Note Edge

o Samsung Galaxy Alpha

All device models are evaluated with Samsung Android 5 (Lollipop). Other Samsung devices have the

same processors and OS version as an evaluated device (i.e. a derivative device) and may be able to be

placed into a configuration matching the evaluated configuration of these devices, but only the devices

listed above have been evaluated for compliance to the Mobile Device Fundamentals Protection Profile.

Note: The Samsung Galaxy Note 4 with Qualcomm processors has been updated to be compliant to the

MDFPPv2 and so is not included in this document. The Note 10.1 2014 Edition tablet will not be

receiving Android 5 and so is removed from this document.

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The model numbers and evaluated versions of the mobile devices are as follows:

Device Name Base Model

Number Android Version

Kernel Version

Build Number

Galaxy Note 3 SM-N900 5.0.2 3.4.0 LRX22G

Galaxy NotePRO SM-N905 5.0.2 3.4.0 LRX22G

Galaxy S5 SM-G900 5.0.2 3.4.0 LRX22G

Galaxy Note 4 (System LSI) SM-N910 5.0.2 3.10.9 LRX22G

Galaxy Note Edge (Qualcomm) SM-N915 5.0.2

3.10.0 LRX22G

Galaxy Note Edge (System LSI) 3.10.9

Galaxy Alpha (Qualcomm) SM-G850 5.0.2

3.4.0 LRX22G

Galaxy Alpha (System LSI) 3.10.9

Galaxy Tab S 8.4 SM-T707 5.0.2 3.4.0 LRX22G

Galaxy Tab S 10.5 SM-T807 5.0.2 3.4.0 LRX22G

Galaxy Tab Active SM-T360 5.0.2 3.4.0 LRX22G

These devices may include an additional letter or number at the end of the name (such as SM-N900V)

that denotes the device is for a specific carrier (V = Verizon Wireless).

The Galaxy S4 had unique model numbers for each US carrier as listed below:

Carrier Galaxy S4

Verizon SCH-I545

AT&T SGH-I337

Sprint SPH-L720

T-Mobile SGH-M919

US Cellular SCH-R970

International GT-I9505

The Galaxy S4 has the following build information:

Android version: 5.0.2

Kernel version: 3.4.0

Build number: LRX22G

The following table shows the Security software versions for each device.

Device Name MDF

Version MDF

Release VPN v1.4 Release

Galaxy S4 1.1 4 4.1

Galaxy Note 3 1.1 4 4.1

Galaxy NotePRO 1.1 4 4.1

Galaxy S5 1.1 4 4.1

Galaxy Note 4 (System LSI) 1.1 6 4.1

Galaxy Note Edge (Qualcomm) 1.1 6 4.1

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Device Name MDF

Version MDF

Release VPN v1.4 Release

Galaxy Note Edge (System LSI) 1.1 6 4.1

Galaxy Alpha (Qualcomm) 1.1 6 4.1

Galaxy Alpha (System LSI) 1.1 6 4.1

Galaxy Tab S 8.4 1.1 6 4.1

Galaxy Tab S 10.5 1.1 6 4.1

Galaxy Tab Active 1.1 6 4.1

The MDF version number is broken into two parts as the claimed MDFPP has been updated in the latest

devices. For example, the Galaxy Alpha would show “MDF v1.1 Release 6”.

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2 How to use your device securely

As a mobile enterprise user it is your responsibility to assist the enterprise in maintaining the security of

your Samsung device. Some important aspects of device security are reliant on your actions and you are

required to be aware of your responsibilities and take appropriate steps to help ensure device security.

In particular, you are responsible for:

Setting and protecting a sufficiently complex password;

Being aware of your surrounding environment when operating the device;

Reporting suspicious activity or security incidents;

Taking caution when installing applications;

Using the device in accordance with enterprise policy;

Assisting the enterprise to enrol a device into the evaluated configuration (apply security to the

device); and

Protecting the mobile device when not in use.

2.1 Password management

Users will be required to set a password when the device is first configured to protect the key that will

encrypt the data on the device, and to protect against unauthorised access to device functions. It is

critical that you select an appropriate password and that your password is never made available to

anyone.

2.1.1 Setting passwords

The acceptable complexity of a password will be set by your administrator and will consist of the

following:

Minimum letters required in password (a-z, A-Z);

Minimum lowercase letters required in password (a-z);

Minimum non-letter characters required in password (0-9 and special characters

+=%_@#$/^&*()‘-”:!;?,`.~\|<>{}[]);

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Minimum numerical digits required in password (0-9);

Minimum symbols required in password (+=%_@#$/^&*()‘-”:!;?,`.~\|<>{}[]); and

Minimum uppercase letters required in password (A-Z).

It is important that you understand the requirements stated within your organisation’s Information

Security Policy and/or Mobile Device Policy.

When setting a password, you should be careful not to:

Use known information about yourself (e.g. address, birthday, pets names, your name or any

information recoverable from the public domain);

Include your username or company name within your password;

Set a password which is similar to previous passwords (adding a ‘1’ or “!” to the end of the

password is not sufficient); or

Use simple dictionary words (Welcome1!).

A good method of creating passwords is to think of a long passphrase and simply use the first characters

of each word. For example:

I really want to set a very secure password with 16 characters!

Irwtsavspw16c!

Note: Please do not use this password.

2.1.2 Password use

Your administrator will set an expiration date for your password which will require you to change it once

that time has elapsed (e.g. 90 days). It is important that you choose a unique password each time and do

not use previous passwords, including derivatives.

It is also your responsibility not to disclose your password to anyone. This includes:

Writing your password down and placing it in an area that other people can access (this includes

on your computer or in online resources);

Re-using the same password for other accounts (e.g. email, twitter or Facebook); and

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Providing the password to others, including family members, so that they can use the device. It

is important to note that your organisation will never ask you for your password as they have no

use for it.

2.2 Be aware of your environment

Due to the nature of mobile enterprise access, users can find themselves in situations where

unauthorised parties may be able to view a password or business critical information being entered or

viewed on the device. This could be achieved through “shoulder surfing” or other surveillance

techniques such as security cameras and recording devices.

Because of this, it is very important that you are aware of your surroundings when using your device and

take proper precautions to prevent data disclosure.

If you would like to further understand your level of risk in remote locations, speak to your Enterprise

Security Team.

2.3 Physical security of the device

It is important that at all times you maintain control of the device to reduce the risk of tampering by

unauthorised parties. When not in use, the device should be stored in an appropriately secure location.

If you are unsure of what is considered appropriately secure, refer to the Mobile Device Policy or

contact your Enterprise Security Team.

2.4 Application control

As part of the device configuration, your enterprise administrator may choose to restrict, or apply levels

of restriction, to applications on the device. Make sure that you are aware of the Enterprise Mobile

Acceptable Use Policy including any guidance or limitations on the applications you are allowed to

download and install.

2.5 Reporting suspicious activity and security incidents

It is very important that you report any suspicious activity or security incidents as they could result in

negative consequences for the enterprise. Suspicious activity could include situations in which:

The device is operating abnormally (e.g. performance issues, unusual applications or messages);

and

Outside parties take an unusual interest in the device.

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Security incidents might include situations in which:

The device has been left unattended for significant periods of time;

The device is confiscated or out of your control for significant periods of time (e.g. Border

Control in a foreign country); and

You notice visible tampering with the device.

Note: It is extremely important, especially when travelling overseas, that you are aware of the methods

to report suspicious activity and security incidents.

If you are unsure whether a situation constitutes either suspicious activity or a security incident, report

it just in case.

2.6 Wiping the data on a device

To protect the confidentiality and integrity of information on your device, the device is configured to be

able to be wiped. In the event the device is wiped, the encryption key on the device will be wiped and a

soft wipe will occur on all user data. This means that all user data will be inaccessible with no options for

recovery. The device will then reboot and reset to the factory default settings.

The device may be wiped under the following conditions:

You manually initiate a wipe (Settings/Backup and reset/Factory data reset);

You, or a third party, exceed the number of incorrect login attempts allowed by the local device

wipe threshold (set by your enterprise administrator);

The enterprise sends a remote wipe command to the device:

o When the device has been lost or stolen;

o In response to a reported incident;

o In an effort to resolve current mobile issues; and

o For other procedural reasons such as when you are leaving the organisation.

Warning: Make sure you regularly backup any personal data on the device as this will be destroyed as

part of a wipe.

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2.6.1 Re-enrolling a device

In the event that your device is wiped and you still have access to the device, you may be asked to re-

enrol (re-connect) the device to the Enterprise Device Management Solution. Make sure you follow the

guidance of the Enterprise Administrator to get the device back into a secure state. The device should

not be used to receive, store or process enterprise information prior to being placed in a secure state.

2.7 Checking the version of a device

There are a number of components to determining the device that is being used and the components on

that device (such as the operating system version, the build version, etc.). These are all contained under

Settings/About device. The following are version information that can be found:

Model number – this is the hardware model (this is carrier specific, so for example a Samsung

Galaxy S4 on Verizon Wireless has a different model number than on AT&T)

Android version – this is the Android OS version

Build number – this is the specific binary image version for the device

Security Software Version – this shows the Common Criteria evaluations and the version of the

software components related to those evaluations on the device

For the Common Criteria evaluation for the mobile device, this will show:

MDF v1.0 Release XYZ

where XYZ is the version number of the software that has been validated. As other validations are

performed on the device they will also be listed here.

2.7.1 Pre-packaged Software Versions

Samsung Android devices come with large amounts of software apps to provide the full breadth of

functionality expected by the customer. Some of the apps come from Google, some from Samsung, and

others from the cellular carrier. For a list of the apps and their versions contained on a specific device,

visit this website and select the device you are using. This will provide a complete list of the software

installed on the evaluated device.

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2.7.1.1 Software Versions on Device

To verify the versions of any software on the device (compared to the list from the website), open

Settings/Application manager. Under the heading All, you will see every application on the device (both

those that are pre-installed and any you have installed). Selecting an application will display its

properties. The version number is shown at the top under the name.

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3 Secure Device Configuration

The device may be configured securely either as a stand-alone device or in connection to an Enterprise.

Depending on the type of management there are different options available to a user related to the

configuration and how to secure the device.

3.1 Enrolling a Device with a Mobile Device Management Service

If your device will be managed by an Enterprise via an MDM (Mobile Device Management) service, you

will need to enroll your device into the service. This is done through the installation of the MDM Agent

application provided by your Enterprise administrator. Before installing the MDM Agent, you must

enable Unknown Sources for applications as the Agent will not be installed from the Google Play Store.

This can be achieved by going to Settings/Security/Unknown sources. Checking this box will prompt to

confirm the enabling of Unknown sources due to the possibility of vulnerabilities in being able to install

apps from outside of the Play Store.

See your Enterprise administrator about obtaining and installing the MDM agent.

3.2 Enabling Common Criteria Mode (CC Mode)

Samsung provides a setting to enable services to bring the device into the Common Criteria-evaluated

configuration. This is called CC Mode. If you are enrolled in an MDM, this will be handled by your

Enterprise administrator.

The CCMode.apk can be downloaded from Samsung

here. You will need to register for an account. Click the

Register link and follow the prompts to register for your

account (it will have multiple steps including email

verification). Each level can access the CC tools; contact

your account manager for more information if you are

unsure which level to register at.

Once you have completed the account registration

login using your credentials.

After logging in, click the Support tab at the top. Then

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click the View your available tools link on the left side. Look for Common Criteria Mode APK and click

the Launch button below it.

From this page you can see the list of applications provided with each validated device as well as the CC

Mode application at the bottom.

Before installing the CC Mode app, you must enable Unknown Sources for applications as the app will

not be installed from the Google Play Store. This can be achieved by going to

Settings/Security/Unknown sources. Checking this box will prompt to confirm the enabling of Unknown

sources due to the possibility of vulnerabilities in being able to install apps from outside of the Play

Store. Download the APK to your device and install the app by opening the APK.

Note: Once installed, Unknown Sources can be disabled.

To enable CC Mode, find the app (named CC Mode). Launch the app and choose Activate to enable the

application to make changes to the device settings. Once activated, select Turn on CCMode. Once CC

Mode is enabled, the device will be configured such that 5 unsuccessful login attempts will force a

factory reset on the device wiping all data.

Note: Once a device has been placed into CC Mode, the only way to disable it is to perform a factory

reset or to connect to an MDM which can disable it.

3.2.1 Removing the CC Mode App

Once CC Mode has been enabled, the app can be removed from the device. To remove the app from the

device, you must first disable it as a Device Administrator. This can be done through

Settings/Security/Device Administrators. Unselect the CC Mode app and choose Deactivate. The app

can now be removed through the Application Manager.

3.2.2 CC Mode Status

CC Mode has the following statuses:

Status Description

Disabled CC Mode has not been turned on

Enforced CC Mode has been turned on but some of the required settings or configurations have not been set

Enabled CC Mode has been turned on and all required settings and configurations have been set

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The CC Mode status can be seen by going to Settings/About phone/Software Security Version. Clicking

on the item will show the current status.

3.2.3 CC Mode Requirements/Configurations

When CC Mode is first turned on, it changes the status from Disabled to Enforced. To change the status

to Enabled, the following settings must be configured (in the listed order):

1. Enable On Device Encryption (ODE)

2. Enable SD Card Encryption

See the following sections on how to enable these functions.

3.3 Enabling Encryption (All)

There are two encryption settings that must be enabled, ODE and SD Card encryption. These are

enabled under Settings/Security.

To enable ODE:

1. Select Encrypt device

2. Select Set screen lock type. This must be done before encryption can be enabled.

Note: A password must be selected (no other login type is allowed).

3. Select Password and then enter the password twice to confirm.

4. Select Encrypt device

5. Confirm the password you entered in step 3.

6. Select Encrypt device

The device will now reboot and encrypt the internal storage. You will be prompted to authenticate with

your password to access the device.

To enable SD Card encryption:

Note: This must be enabled even if you do not plan to use an SD Card in your device.

1. Go to Settings/Security

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2. Select Encrypt external SD card

3. Select Continue

4. Enter your device password

5. Select Apply to turn on SD Card encryption

3.4 Other Password and Lock screen Settings

There are a few other password and lock screen settings which can use useful to configure to your

needs.

Screen timeout - Settings/Display/Screen timeout

o This setting will control how long the display stays on before turning off when it is not

being touched (or not controlled by an individual app). Setting this high can increase the

drain on your battery.

Lock with Power Button – Settings/Lock screen/Lock instantly with power key

o This setting will cause the device to lock immediately when you press the power button.

When unchecked pressing the power button only turns off the display, waiting for the

lock timeout before locking the device.

Lock automatically after timeout – Settings/Lock screen/Lock automatically

o This setting will control how quickly the device will lock after the screen has timed out

(turned off). The longer the time the longer you will be able to wake the device up

without needing to enter a password. This should be set to a low time to prevent a left

device being unlocked without a password needing to be entered.

Make passwords visible – Settings/Security/Make passwords visible

o This setting will allow the entered password to be seen on the display as it is entered.

This should be set to disabled (or off) to ensure that someone cannot see your password

by “shoulder-surfing”.

3.5 Settings that can be controlled

There are many settings that can be controlled by the user. The following is a list of specific functions

which are claimed as available for users when in CC Mode.

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3.5.1 Radio Control

The following list of radios can be controlled from the Settings menu under the heading of Wireless and

networks:

Wi-Fi

o This can be enabled or disabled by sliding the switch between On and Off

Bluetooth

o This can be enabled or disabled by sliding the switch between On and Off

Cellular (Airplane mode)

o This can be enabled or disabled by sliding the switch between On and Off

o This will disable all radios though other radios can then be re-enabled individually.

The following radios can be controlled from Settings/Wireless and networks/More Settings

NFC

o This can be enabled or disabled by sliding the switch between On and Off

Mobile Hotspot

o This can be enabled or disabled by sliding the switch between On and Off.

o Under Settings/Configure, it is possible to configure the settings of the Mobile Hotspot

Network SSID – the name of the wireless network

Hide my device – whether or not to broadcast the network name

Security – the security of the wireless network

Password – the password for the chosen network security

Advanced options

Broadcast channel – specify whether to use 2.4 or 5 GHz and the

frequency channels

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Tethering

o Enable or disable the following:

Mobile Broadband Connect – USB connection sharing (requires the device to be

connected over USB to be an available option)

Bluetooth tethering – tethering over Bluetooth

The following radios can be controlled from Settings/Personal/Location services

GPS

o This can be enabled or disabled by sliding the switch between On and Off

There may be multiple location sources, but all are controlled by the Location

Services switch.

3.5.2 Notification Control

Notifications for the Calendar and Messaging applications can be disabled, which will prevent

notifications to be displayed for these applications during a locked state. Note that the disabling is

complete, not just for the locked state, and so these applications will not show notifications at any time.

These only work for the provided Calendar and Messaging apps. Third party apps, such as Google

Calendar or Handcent (SMS) will not follow these settings though they have their own means for

disabling notifications.

3.5.2.1 Calendar Notifications

Open the Calendar application and access Menu/Settings. Under Event Notification select Set alerts

and notifications. Set this to Off to disable notifications. Other options will enable notifications based on

the chosen settings.

3.5.2.2 Messaging Notifications

Open the Messaging application and access Menu/Settings. Under Notification settings select

Notifications. Uncheck this option to disable notifications.

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3.5.3 Other Controls

3.5.3.1 Developer Mode (USB debugging)

In some circumstances it may be necessary to ensure that developer access is not allowed on the device.

It should be noted that by default developer mode is hidden (and hence disabled) on Android devices. In

the Settings list, if there is no Developer options item shown, then developer mode is disabled.

To access the Developer options menu, open the About phone option. Then find the Build number item.

Click this item 7 times and the Developer options will be enabled.

To disable the developer mode, open the now-visible Developer Options menu. Under Debugging,

ensure that USB debugging is not selected.

3.5.3.2 Voice Controls

Most Samsung devices contain the ability to utilize voice commands to control some aspects of the

device functionality. This can be enabled or disabled through the Menu/Settings menu. Under System,

move the switch for Voice control to On or Off as needed. This will control all voice commands to the

main system.

Note: Separately installed voice applications will have their own settings separately from these.

3.5.3.3 Date/Time Control

It is important to have a trusted source of time on your device. Normally a device utilized the network-

provided time from the cellular carrier as the trusted time source, and except under unusual

circumstances this should always be used. This can be controlled through the Menu/Settings menu.

Under System/Date and time the setting Automatic date and time should be selected to use an

external trusted time source.

3.6 Certificate Management

Many secure services require the use of certificates, such as to trust secure servers or to authenticate

your device to those same servers. Certificates can only be installed on a device which is protected by a

login (in this case a password).

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3.6.1 Managing the Trust Anchor Database

The Trust Anchor Database (TAD) is a list of all trusted Certificate Authorities. In most cases these

certificates are pre-loaded by Samsung and Google (similar to browser certificates) though further ones

may be loaded either via MDM or by you. The built-in certificates cannot be deleted but they can be

disabled.

To disable a built-in certificate, go to Settings/Security and then under Credential storage select Trusted

credentials. Under the System tab you will see all the pre-loaded certificates. To disable a certificate

select it from the list, and then in the Security certificate pop-up window, scroll down and select Turn

off. Then click OK. This will disable the selected certificate.

3.6.2 Importing New Certificates

To import your own certificates into your device you must have a way to download the certificate. This

could come in many forms, such as through a USB connection from a PC where it is copied to the device

from the PC, or downloaded from a web server via a browser on the device.

3.6.2.1 Browser Import Example

This is an example of loading a certificate through a browser. It is possible other applications may

perform the same service. It is assumed you already know where the certificate is stored and have

accessed the page.

1. Select the certificate to be installed from the web page

2. Enter the password protecting the certificate (may not always be present)

3. Once the certificate is downloaded you will be prompted to Name the certificate

4. Enter a name for the certificate and select the use (VPN and apps or Wi-Fi)

a. Be sure you know the intended purpose of the certificate as you cannot change this

after installation, you will need to remove and reload the certificate if this is wrong

5. Click OK to import the certificate

3.6.2.2 Direct Import Example

To load a certificate directly it must be stored on the internal storage of the device. If you save the

certificate to an SD Card it will be ignored for the import process. To load a certificate directly:

1. In the Settings/Security menu select Install from device storage

2. If there is more than one certificate available, select the desired certificate to install

a. If there is only one, this will step will be skipped

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3. Enter the password protecting the certificate (may not always be present)

4. You will be prompted to Name the certificate

5. Enter a name for the certificate and select the use (VPN and apps or Wi-Fi)

a. Be sure you know the intended purpose of the certificate as you cannot change this

after installation, you will need to remove and reload the certificate if this is wrong

6. Click OK to import the certificate

3.6.3 Removing Certificates

Periodically it may be necessary to remove certificates that you have imported. This is similar to

disabling TAD certificates.

To disable an imported certificate, go to Settings/Security and then under Credential storage select

Trusted credentials. Under the User tab you will see all the certificates you have imported. To remove a

certificate select it from the list, and then in the Security certificate pop-up window, scroll down and

select Remove. Then click OK. This will remove the selected certificate.

3.6.3.1 Clear credentials

In the case where you need to clear all the certificates you have imported at once, it is possible to clear

all at once. This is done from the Settings/Security menu by selecting Clear credentials. Selecting and

confirming this option will erase all imported certificates, regardless of type.

3.7 Configure Wireless Networks

It is possible to utilize many different methods for accessing Wi-Fi networks, including open access

points, WEP encrypted, WPA2 PSK encrypted and 802.1x EAP-TLS protected networks. The settings for

each access point are stored separately so credentials for one network are not used for another. For any

network that is not open, the specific configuration needed to access the network must be provided by

the administrator of the specific access point.

Under the Settings menu is a selection for Wi-Fi. A selection can be used to enable/disable all Wi-Fi

connectivity here. For further configuration select the Wi-Fi item instead of the on/off switch. When

enabled, it is possible to connect to any visible network from the list of Access Points displayed on below

the configuration. This list includes both visible but not configured networks (i.e. ones you have not

connected to before), visible networks you have a made connections to, and saved network

configurations that are not currently in range. If you are connected, that network will show at the top of

the list as Connected.

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At the bottom of the listed access points (assuming Wi-Fi is enabled), is an option the Add Wi-Fi

network. From this selection you can configure a network which may be hidden (i.e. the SSID is not

being broadcast) or one that is out of range.

Using the information provided by the access point administrator, fill out the information in the Add Wi-

Fi network pop-up menu.

Note: In CC Mode some modes of 802.1x EAP are disabled (such as LEAP & PEAP).

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4 General usage

The following sections will provide some basic information for using your device and additional

information on the functionality available.

4.1 Using your device

The Samsung Galaxy series are running Android 5 overlaid with the Samsung TouchWiz interface. An

example of this is provided in the following image:

Figure 1 – Galaxy TouchWiz interface

You will interact with the TouchWiz interface via your device touchscreen. When required to enter

information, a keyboard will be displayed on the screen for you to interact with the device. Further

information on both Android and TouchWiz is available online.

4.1.1 Authenticating to your Device

Once the device has been configured and encryption enabled, you will be required to authenticate to

the device every time it starts and every time it becomes locked. A password screen with a keyboard will

appear and you will need to enter the password you selected.

Note: When you restart the device you will authenticate twice, once to unlock the ODE encryption and a

second time to access Android. This only occurs when the device has been powered off or power cycled.

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4.1.1.1 Authenticating to the KNOX Container

If the KNOX container has been turned on, then access to the container will also require authentication

to access any apps or data within the container. The login to the KNOX container is accessed by tapping

on the KNOX icon in the notification bar (Figure 2) or in the application menu (Figure 3).

Figure 2

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Figure 3

4.1.1.2 Leaving the KNOX Container

To leave the KNOX container and return to the personal side of the device, tap the PERSONAL icon in the

notification bar (Figure 4) or in the container application menu (Figure 5). This will close the KNOX

container and return to the normal world of the device.

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Figure 4

Figure 5

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4.1.1.3 Manually locking the KNOX Container

To manually lock and leave the KNOX container and return to the personal side of the device, tap the

lock icon in the notification bar (Figure 6).

Figure 6

4.1.2 Changing your Password

4.1.2.1 Password change in the Personal Space

To change your password at any time you follow the same steps as setting it. To change your password:

1. Open Settings/Lock screen and select Screen lock

2. Enter your current password

3. Select Password from the Select screen lock menu

4. Enter and confirm your new password

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4.1.2.2 Password change in the Knox Container

Password changes for both the device and the KNOX container are done in the same way, but to change

the KNOX container password you must already be inside the KNOX container before following these

steps.

1. Select KNOX Settings from the container applications

2. Select KNOX unlock method

3. Depending on the minimum password complexity configured by your administrator, some

options will not be available to the end user.

4.1.3 Check for a Software Update

While you will be notified when a software update is available, due to carrier rollout schedules it may be

possible to access an update before you are notified. To check for a software update, go to

Settings/About phone/Software update. This will prompt you to confirm the check for a new update

and then contact the appropriate update server to see if a new update is available.

If an update is available you will be prompted to download and install the update at this time. The

integrity and validity of the update are automatically checked by the phone using embedded keys before

installing the update.

Note: When the device is configured in CC Mode over the air updates are the only method allowed for

updating the operating system and firmware.

4.1.4 Managing Applications

Over time you will want to remove apps that have been installed on your device (this may be managed

by an MDM if you have enrolled the device to be managed). While this can be done through the Play

Store, the best place is the Application Manager. This can be found under Settings/Application

Manager. From here you can see a list of all apps that have been installed regardless of the source (i.e.

from here you can see apps that have been “sideloaded” or installed from an alternative App Store such

as Amazon along with any Play Store apps). Selecting an all and then Uninstall will remove the app and

associated data from your device.

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4.1.5 Wipe/Erase the Device

It is possible to erase all data on the device and reset it to the factory defaults. This is available under

Settings/Backup and reset. Selecting Factory data reset will erase all the data stored on the internal

storage device. Upon restarting the device it will wipe all the existing data and the device will prompt to

be setup as on the first startup.

4.1.6 Wipe/Erase SD Card

To erase the data on the SD Card you must format the SD Card. This is available under Settings/Storage.

Select the menu option Format SD card and the card and all data will be reformatted.

4.2 Access rights and policy

Your access to applications and device functions will be dependent on your enterprise security settings

and policies – you may be able to install applications from the Samsung Apps or Google Play stores, or

you may be restricted to a set of pre-installed applications. Contact your enterprise security team for

more information on your security settings and mobile policy.

At a minimum, you should be able to do the following with your device:

Send/receive phone calls (applicable devices only);

Send/receive text messages (applicable devices only);

Browse the internet;

View system information via the Setting menu;

Access default applications; and

Change certain settings (lock screen password, initiate local wipe, etc.)

4.3 Modes of operation

Your device is designed to operate in a single mode, which is the standard operational mode (i.e., your

device is turned on and is operating normally). If an error occurs, your system may enter error mode and

will provide you with feedback regarding the error or fault that has occurred.

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If an error occurs, if the device allows, clear the error and continue to use the device as normal. If the

device does not let you continue use, or you are concerned about the cause of the fault, contact your

technical support department or phone distributor for technical assistance.

4.4 Errors

When using the device, you may encounter a number of security-relevant errors. This section will

provide an overview of these errors and their causes.

Incorrect Password/PIN: The password or PIN number to access your device has been entered

incorrectly. Entering the correct authentication data will allow you to access the device.

Password Length/Complexity: Your enterprise security settings will place certain requirements when

setting a password for your device regarding length, complexity and types of characters used. If you

receive this error, ensure that your proposed password meets the requirements.

Error Encrypting/Decrypting Storage: An error has occurred within the Android OS that has caused the

device to fail when encrypting or decrypting your devices internal or external (SD card) storage. This may

be caused by a temporary fault within the device (such as a cryptographic module error) or may indicate

a hardware issue.

Access/Permissions Denied: Your current enterprise settings do not permit you to access a particular

function or application. If you feel this is in error, contact your enterprise security team.

Invalid Application Signature: All applications installed on your device must have a verifiable digital

signature, applied by the developer. If this error occurs, an application you have chosen to install is

either missing or has an invalid signature. You may contact the application developer or Google Play

support to resolve this.

Device Lockout: Your device has received too many invalid authentication attempts in a preset time

period and is locked from use. Your device will unlock after a period of time (set by your enterprise

security team) and will be ready for use.

Note: If you are unsure as to why an error has occurred or feel it has occurred unexpectedly, please

contact your technical support department for assistance.

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5 Cryptographic API Reference

This section provides information for developers to utilize the evaluated cryptographic APIs while

writing their mobile applications. The Reference Link points to sources for more information about the

APIs for the specific cryptographic functions.

Cryptographic Function Evaluated API Reference Link

AES-CBC 128/256 javax.crypto.Cipher developer.android.com

AES-CCM 128/256

EVP_CIPHER_CTX EVP_CIPHER_CTX_ctrl EVP_CIPHER_CTX_free EVP_EncryptInit_ex EVP_EncryptUpdate EVP_EncryptFinal_ex EVP_DecryptInit_ex EVP_DecryptUpdate

OpenSSL.org

AES-GCM 128/256

EVP_CIPHER_CTX EVP_CIPHER_CTX_ctrl EVP_CIPHER_CTX_free FIPS_cipherinit FIPS_cipher FIPS_cipher_ctx_cleanup

OpenSSL.org

SHA-1/256/384/512 java.security.MessageDigest developer.android.com

HMAC-SHA-1/256/384/512 Javax.crypto.Mac developer.android.com

PBKDF HMAC-SHA-512 PKCS5_PBKDF2_HMAC OpenSSL.org

RSA Key Generation java.security.KeyPairGenerator developer.android.com

ECDSA Key Generation java.security.KeyPairGenerator developer.android.com

RSA Signing/Verification java.security.Signature developer.android.com

ECDSA Signing/Verification java.security.Signature developer.android.com

RBG Random Generation java.security.SecureRandom developer.android.com

Certificate Verification

javax.net.ssl.SSLContext javax.net.ssl.SSLSocket java.net.InetSocketAddress java.net.Socket android.net.SSLCertificateSocketFactory

developer.android.com developer.android.com developer.android.com

Key Import, Use, Destruction

java.security.KeyFactory java.security.KeyPair java.security.KeyPairGenerator java.security.spec.X509EncodedKeySpec

developer.android.com developer.android.com